clc;
e=1.6*10^-19;      //charge
c=3*10^8;         //velocity in m/sec
KE=1.6*10^-19;         //change in energy
m=KE/(c*c);        //Einstein's equation
disp(m,"Mass in kg = ");      //displaying result
disp(m/(3*10^-26),"Times mass of H20 molecule = ");  //displaying result