1113

#include <stdio.h>
#include <string.h>
int main()
{
char a[1000],b[1000];
int an,bn,a1,b1,i;
while(scanf("%s%s",&a,&b )!=EOF)
{
a1=0;
b1=0;
an = strlen(a);
for(i=0; i<an; i++)
{
if(a[i]>='0'&&a[i]<='9')
{
a1 = a1*10+a[i]-'0';
}
}
if(a[0]=='-')
{
a1 = -a1;
}
bn = strlen(b);
for(i=0; i<bn; i++)
{
if(b[i]>='0'&&b[i]<='9')
{
b1 = b1*10+b[i]-'0';
}
}
if(b[0]=='-')
{
b1 = -b1;
}
printf("%d\n",a1+b1);

}
return 0;
}