/*
#include <stdio.h>
int main()
{
long long int a,b;
scanf("%lld %lld",&a,&b);
printf("%lld\n",a+b);
printf("%lld\n",a-b);
printf("%lld\n",a*b);
printf("%lld\n",a/b);
printf("%lld\n",a%b);
printf("%.2lf",(double)a/(double)b);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
long long int a,b,c;
scanf("%lld %lld %lld",&a,&b,&c);
printf("%lld\n",a+b+c);
printf("%.1lf",((double)a+(double)b+(double)c)/3);
return 0;
}
*/
/*
#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);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a>b);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a==b);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",b>=a);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a!=b);
return 0;
}
*/
//&&=and
//||=or
//not=!
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d",&a);
printf("%d",!a);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a&&b);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a||b);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",!(!a&&!b)&&!(a&&b));
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",(!a&&!b)||(a&&b));
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",(!a&&!b));
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
printf("%d",a>b?a:b);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
printf("%d",(a<b ? a:b)<c ? (a<b ? a:b):c);
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d",&a);
if(a<10)
{
printf("small");
}
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d",&a);
if(a<10)
{
printf("small");
}
else
{
printf("big");
}
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
if(a<b)
{
printf("<");
}
else if(a>b)
{
printf(">");
}
else
{
printf("=");
}
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a,b;
scanf("%d %d",&a,&b);
if(a<b)
{
printf("%d",b-a);
}
else if(a>b)
{
printf("%d",a-b);
}
else
{
printf("%d",a-b);
}
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d",&a);
if(a%7==0)
{
printf("multiple");
}
else
{
printf("not multiple");
}
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a;
scanf("%d",&a);
if(a%2==0)
{
printf("even");
}
else
{
printf("odd");
}
return 0;
}
*/