#include <stdio.h>

int main(){
    int num1, num2, *sum;
    scanf("%d %d", &num1, &num2);
    if(num1<=0 || num2<=0){
        printf("Invalid input");
        return 0;
    }
    num1 = (int)malloc(1*sizeof(int));
    num2 = (int)malloc(1*sizeof(int));
    *sum=&num1+&num2;
    printf("%d", *sum);
    
}