function operations(input) {
        let num1 = Number(input.shift());
        let num2 = Number(input.shift());
        let operator = input.shift();
        let result = 0;
        switch (operator) {
            case "+":
                result = num1 + num2;
                if (result % 2 == 0) {
                    console.log(`${num1} + ${num2} = ${result}`, `- even`);
                } else {
                    console.log(`${num1} + ${num2} = ${result}`, `- odd`);
                } break;
            case "-":
                result = num1 - num2;
                if (result % 2 == 0) {
                    console.log(`${num1} - ${num2} = ${result}`,`- even`);
                } else {
                    console.log(`${num1} - ${num2} = ${result}`, `- odd`);
                } break;
            case "*":
                result = num1 * num2;
                if (result % 2 == 0) {
                    console.log(`${num1} * ${num2} = ${result}`, `- even`);
                } else {
                    console.log(`${num1} * ${num2} = ${result}`, `- odd`);
                } break;
            case "/":
                result=num1/num2;
                if (num2 == 0) {
                    console.log(`Cannot divide ${num1} by zero`); break;
                } else {



                    console.log(`${num1} / ${num2} = ${result}`); break;
                }
            case "%":
                result = num1 % num2;
                if (num2 == 0) {
                    console.log(`Cannot divide ${num1} by zero`);
                } else {
                    console.log(`${num1} % ${num2} = ${result}`)
                }
        }
    }