#include <stdio.h>

int main(void) {
	// your code goes here
    int n1=0,n2=0;
    char op=0;
    scanf("%d%c%d",&n1,&op,&n2);
    switch(op)
    {  case '+':printf("=%d",n1+n2);break;
       
    }
	return 0;
}