program { int a = 51, b = 6, c; string x = "abc", y, z = "abcd"; c = (a + b) * 2; if (c >= 100 or x == z) { write (">"); read (y); write (y); write (x + y + z, c); } else c = a = 21; while (c > 100) { c = c - 5; write (c); x = x + "step"; } write (x); }