#include <stdio.h>
int main()
{
if (10 == 10)
{
printf("block 1 is executed.\n"); }
if (3<1)
{
printf("block 2 is executed.\n"); }
int a= 10;
if (a%2==0)
{
printf("block 3 is executed. \n"); }
return 0;
}
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