if-else Statement-:

if-else statement is a conditional statement which allows us to select and execute one statement or a group of statement out of two available statements or group of statements depending upon the truthfulness of a condition.
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Syntax-: 
if(condition)
statement-1;
else
statement-2;
or,

if(condition);

{ statement-1;

  statement-2;

  statement-3;

    -

    -

    -

  statement-n;

}

else

{statement-1;

   -

   -

   -

statement-n;

}

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Example-:
#include<stdio.h>
#include<conio.h>
main()
{int num=0;
printf("Enter the value of num");
scanf("%d",&num);
if(num%2==0)
printf("\n Even number");
else
printf("\n odd number);
getch();
}
output-:Enter the value of num 15
               odd number

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