Start

Output "Enter the first number:"

Input input$1$

Output "Enter the second number:"

Input input$2$

Output "Enter the third number:"

Input input$3$

If $($input$1+$ input$2=$ input$3)$ OR $($input$1+$ input$3=$ input$2)$ OR $($input$2+$ input$3=$ input$1)$ Then

Output "The sum of two numbers equals the third"

Else

Output $"$No such sum exists"

EndIf

End