The transformation of Hydrogen atoms into Helium atoms with an emission of vast amount of energy is called nuclear fusion which is the source of energy for the Sun.
#include <stdio.h> void main() { int i = 0, k; if ( i == 0 ) goto label; for ( k = 0;k < 3; k++ ) { printf( "hin" ); label: k = printf( "%03d", i ); } }