#include <cstdlib>
#include <iostream>
#include<iostream.h>
using namespace std;
void main()
int main()
{
    int sum(int x,int y);
    int a,b,c;
    scanf("%d,%d",&a,&b);
    c=sum(a,b)
    system("PAUSE");
}
int sum(int x,int y)
{
    int z;
    z=x+y;
    return(z)
}