C Sharp

system.console.writeline("welacom user"); // ---------------------------------------------------------system.console.writeline("welcome to my web site"); //--------------------------------------------------------console.writeline("amr {0} {1}", 2 + 3, 105); // ---------------------------------------------------------console.writeline("ahmed\\argawy"); // ---------------------------------------------------------console.writeline("\"ahmed argawy\""); // ---------------------------------------------------------console.writeline("your salary is{0:c5}", 4100); // ---------------------------------------------------------console.writeline("your salary is{0:n}", 4100); // ---------------------------------------------------------console.writeline("amr \a argawy"); // ---------------------------------------------------------console.writeline("enter your name"); string x = console.readline(); console.writeline("welcome " + x); // ---------------------------------------------------------console.writeline("enter your age"); int y = int.parse(console.readline()); console.writeline("your age is" + y); // ----------------------------------------------------------console.writeline("enter your salar "); int z = int.parse(console.readline()); console.writeline("salary is {0:c}", z); //-----------------------------------------------------------console.writeline("plz enter acharacter"); int a = console.read(); console.writeline(a); //-----------------------------------------------------------console.writeline("enter your name"); string k = console.readline(); // k = console.readline(); console.writeline("enter yuor password"); string c = console.readline(); if((k == "ahmed") && (c == "123456")) { console.writeline("welcome ahmed"); } else { console.writeline("invaid name or password"); }