Driven Program
public static void Main ( ) { int a1 = 2 , b1 = - 3 , c1 = 5 ; int a2 = 3 , b2 = 4 , c2 = - 7 ; int a3 = 9 , b3 = - 5 , c3 = 8 ; if ( checkConcurrent ( a1 , b1 , c1 , a2 , b2 , c2 , a3 , b3 , c3 ) ) Console . WriteLine ( " Yes " ) ; else Console . WriteLine ( " No " ) ; } }