// Solidity program to // demonstrate the subtraction pragma solidity 0.4.18; contract gfgSubract { // Intializing the // state variables int16 firstNo=6 ; int16 secondNo=10; // Defining a function // to subtract two numbers function Sub() view public returns (int16) { int16 ans = firstNo - secondNo ; // Difference amount return ans; } } 0.4.18