print('if statement'); if (2>1) print('2>1'); print('if and else statements'); x=2; y=3; if (x>y) print(x+'>'+y); else print(x+'<='+y); print('for loop'); for (i=0; i<5;i++) print(i); print('while loop'); var i=0; while (i++<5) print(i); print('do loop'); var i = 1; do { print(i++); } while (i<=5); print('nested for loops'); for (i=0;i<2;i++) for (j=0;j<2;j++) print(i+" "+j); print('for + if'); for (i=0; i<5; i++) if (i<2) print(i+': i<2: '); else print(i+': i>=2: '); print('for + while'); for (i=0,j=0; i<5; i++) { while (j++<2) { print(i+' '+j); } } print('for + do'); j = 0; for (i=0; i<2; i++) { do { print(i+' '+j); } while (j++<2); } print("nested ifs"); var i = 10; j = i+1; if (i==10) { print(" if 1"); print(" if 2"); if (i==j) { print(" nested if 1"); print(" nested if 2"); } }