/*
#include <stdio.h>
int main()
{
int a, b;
scanf("%d %d", &a, &b);
printf("%d", !(a||b));
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d+%d=%d\n",a,b,a+b);
printf("%d-%d=%d\n",a,b,a-b);
printf("%d*%d=%d\n",a,b,a*b);
printf("%d/%d=%d",a,b,a/b);
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%.1lf",(double)a*b/2);
}
*/
/*
#include<stdio.h>
int main()
{
long long int a;
scanf("%d",&a);
printf("%d",~a);
}
*/
/*
#include<stdio.h>
int main()
{
long long int a,b;
scanf("%d %d",&a,&b);
printf("%d",a&b);
}
*/
/*
#include<stdio.h>
int main()
{
long long int a,b;
scanf("%d %d",&a,&b);
printf("%d",a|b);
}
*/
/*
#include<stdio.h>
int main()
{
long long int a,b;
scanf("%d %d",&a,&b);
printf("%d",a^b);
}
*/
/*
#include<stdio.h>
int main() {
long long int a, b;
scanf("%d %d", &a, &b);
printf("%d", a>b? a:b);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
long long int a,b,c;
scanf("%lld %lld %lld",&a,&b,&c);
printf("%lld",(a>b? b:a)<c? (a>b? b:a):c);
}
*/
/*
#include<stdio.h>
int main() {
int a, b;
scanf("%d %d", &a, &b);
if(a>b) {
printf("%d", a);
}
else if(a==b) {
printf("SAME");
}
else {
printf("%d", b);
}
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
if(a>b)
{
printf("%d",a-b);
}
else if(a==b)
{
printf("0");
}
else
{
printf("%d",b-a);
}
}
*/
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d",&a);
if(a%7==0)
{
printf("multiple");
}
else
{
printf("not multiple");
}
}
*/
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d",&a);
if(a%2==0)
{
printf("even");
}
else
{
printf("odd");
}
}
*/
/*
#include<stdio.h>
int main()
{
double a;
scanf("%lf",&a);
if(50<=a&&a<=60)
{
printf("win");
}
else
{
printf("lose");
}
}
*/
/*
#include<stdio.h>
int main()
{
double a;
scanf("%lf",&a);
if(30<=a&&a<=40||60<=a&&a<=70)
{
printf("win");
}
else
{
printf("lose");
}
}
*/
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d",&a);
if(50<=a&&a<=70||a%6==0)
{
printf("win");
}
else
{
printf("lose");
}
}
*/