#include
#include
int forsend(int send,int num,int i)
{
switch(i)
{
case 0:return(send+num);break;
case 1:
{
if(send>=num) return(send-num);
else return -1;
}break;
case 2:return(send*num);break;
case 3:
{
if(num!=0&&send/num*num==send) return(send/num);
else return -1;
}break;
default: return -1;
}
}
int getnum()
{
int a[4],b[4],i,j,k,l,m,c1,c2,c3,send1,send2,endnum;
randomize();
for(i=0;i