// editor1
#include<stdio.h>
int main()
{
    int angle1,angle2,angle3,x;
    scanf("%d",&angle1);
    scanf("%d",&angle2);
    x=a+b;
    angle3=180-x;
    if(angle1<0 || angle2<0 || angle3>180)
    {
        printf("Invalid input");
    }
    else
    {
        printf("%d",angle3);
    }
    return 0;
}