#include<stdio.h>
#include<stdlib.h>
int main()
{
int integer,num;
num=0;
do
{
printf("Enter an integer:");
scanf("%d",&integer);
if(integer>=0&&integer<=20)
{
printf("\nInteger is %d\n\n",integer);
break;
}
else
printf("\nINVALID and re-enter\n\n");
num++;
}
while(num<=10);
system("PAUSE");
}

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