lab1_q1

#include <stdio.h>
#include <stdlib.h>
/*Write a program to compute the sum of all numbersthatare multiples of 4,between 30 and 1000,in three different ways:
with afor loop, a while loop and a do-while loop.After each loop print the value on the screen */
int main(void)
{
    int i,sum1=0,sum2=0,sum3=0;
    for(i=30;i<=1000;i++) { //for loop goes from 30 to 1000 and runs for all i less than or equal to 1000
        if(i%4==0) // if numbeer is divisble by 4 it will be added to the sum
        {
            sum1 += i;
    }
    }
printf("%d",sum1);
i = 30;
while(i<=1000) { //while loop goes from 30 to 1000 and runs for all i less than or equal to 1000
    i++;
    if(i%4==0)
        {
            sum2 += i;
    }

}
printf("\n%d",sum2);
i = 29; // i does not equal to 30 because we use a do while loop
do  //do while loop goes from 30 to 1000 and runs for all i less than or equal to 1000
{
    i++;
    if(i%4==0)
        {
            sum3 += i;
    }

}while(i<=1000);
printf("\n%d",sum3);


return 0;
}