#include<stdio.h>
 
int main()
{
 
  int a, b, sum;
    //*scanf("%d", &a, &b);
    //*printf("%d\n", a, b);
    a = 1;
    b = 2;
    sum = ( a + b );
    printf("%d\n", sum);
 
 
    return 0;
}