#include <stdio.h>
#include <string.h>
#define INPUT(str) do{char *p;fgets(str,sizeof(str),stdin);p=strchr(str,'\n');if(p)*p='\0';}while(0)
int main(){
    char str[45];
    long a,b;
    INPUT(str);
    sscanf(str,"%ld %ld",&a,&b);
    if( b >= 0 ) {
        char *cp;
        long long cc;
        cp = strchr(str,' ');
        sprintf( cp,"%ld",b);
        if( (str[0] == '-')&&(str[1] == '0') ) {
            char str2[45];
            sprintf(str2,"-%lld", b);
            sscanf( str2,"%lld", &a);
            sprintf(str,"%lld", a);
        }
        printf("%s\n",str);
    } else {
        printf("%ld\n",a+b);
    }
}