#import <Foundation/Foundation.h>
 
int main(int argc, const char * argv[]) {
    /* local variable definition */
    char grade = 'B';
    switch( grade ) {
        case 'A':
            NSLog(@"Excellent!\n" );
            break;
        case 'B':
        case 'C':
            NSLog(@"Well done\n" );
            break;
        case 'D':
            NSLog(@"You passed\n" );
            break;
        case 'F':
            NSLog(@"Better try again\n" );
            break;
        default:
            NSLog(@"Invalid grade\n" );
    }
    NSLog(@"Your grade is %c\n", grade );
    return 0;
}

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