#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <malloc.h>

void Input();
void Output();
void Calculate();
void int rank(char *s);
void Seperate_Token();
void double Calculate(double a, double b, double c);

int len,line,pro;
char input[size];
char input_oper[size];
char token[size][10];
int a,b;	

void Calculate()// ÁßÀ§½Ä->ÈÄÀ§½Ä
{
	char input[30];
	char output[30]="";
	char stack[5]="";
	int i=0,j=0,k=0;

	scanf("%s",input);
	
	len = strlen(input);
	
	while(i<len)
	{
		if(input[i] >'0' && input[i] <'10')
		{
			output[k] = input[i];
			k++;
			i++;
		}

		else if(input[i] == '+' || input[i] == '-' || input[i] == '*' || input[i] == '/')
		{
			if(j == 0)
			{
				stack[j] = input[i];
				i++;
				j++;
			}
			else if(j == 1)
			{
				if(input[i] == '+' || input[i] == '-')
				{
					if(stack[j-1] == '+' || stack[j-1] == '-' || stack[j-1] == '*' || stack[j-1] == '/')
					{
						output[k] = stack[j-1];
						stack[j-1] = input[i];
						i++;
						k++;}
				}
				else if(input[i] == '*' || input[i] == '/')
				{
					if(stack[j-1] == '+' || stack[j-1] == '-')
					{
						if(input[i+1] >'0' && input[i+1] <'10')
						{
							if(input[i+2] == '*' || input[i+2] == '/')
							{
								output[k] = input[i+1];
								k++;
								output[k] = input[i];
								k++;
								i+=2;
							}
							else
							{
								output[k] = input[i+1];
								k++;
								output[k] = input[i];
								k++;
								output[k] = stack[j-1];
								k++;
								i=i+2;
								strcpy(stack,"");
								j=0;
							}
						}
							
					}
					else if(stack[j-1] == '*' || stack[j-1] == '/')
					{
						output[k] = stack[j-1];
						stack[j-1] = input[i];
						k++;
						i++;
					}
				}
			}
		}
	}
	strcat(output,stack);
	printf("%s",output);
}

void Seperate_Token()//ÅäÅ«ºÐ¸®
{
	char test;
	int i;

	for(i=0;i<=strlen(tok);i++)
		{
			test = pro[i];
			if( (test >= '0' && test <= '9' || test == '.') )
				token[a][b++]=test;
			else
			{
				if( (tok[i-1] >= '0' && tok[i-1 ]<= '9') || (tok[i-1] == '.') )
				{
					token[a][b]='\0';
					a++;
					b=0;
				}
				if(test==' ')
					continue;
				token[a][0] = test;
				token[a][1]= '\0';
				a++;
			}
		}
}

void int rank(char *s)//¿ì¼±¼øÀ§
{	
	if(s == NULL)
		return 4;

	switch(s[0])
	{
	case '(':
		return 0;
	case '+':
	case '-':
		return 1;
	case '*':
	case '/':
		return 2;
	case ')':
		return 3;
	}
	return 4;
}

void double Calculate(double a, double b, double c)//°è»ê
{
	switch (c)
	{
		case '+':
			return a+b;
			break;
		case '-':
			return a-b;
			break;
		case '*':
			return a*b;
			break;
		case '/':
			return a/b;
			break;
	}
}

void Input()
{
	int i;

	printf("¼ö½ÄÀÔ·Â: ");
	gets(input);
	len = strlen(input);

	for(i = 0; i<len;i++)
	{
		if(input[i] >= '0' && input[i] <= '9' || input[i] == '.')
		{
			token[a][b] = input[i];
			b++;
		}
		else if(input[i] == '(' || input[i] == ')' || 
			input[i] =='+' || input[i] == '-' ||
			input[i] == '*' || input[i] == '/')
		{
		}
	}
		
}

void main()
{
	int n;

	printf("\n");
	printf("\t1. ÀÔ·Â       \n");
	printf("\t2. Ãâ·Â       \n");
	printf("\t3. Á¾·á       \n");
	
	printf("¹øÈ£ÀÔ·Â:");
	scanf("%d",&n);

	switch(n)
	{
	case 1:
		Input();
		break;
	case 2:
		Output();
		break;
	case 3: 
		return 0;
	}
}

void Output()
{
}